VDB-217067 · CVE-2022-4863 · GCVE-0-2022-4863

usememos up to 0.9.0 insufficient permissions or privileges

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in usememos memos up to 0.9.0. This issue affects some unknown processing. The manipulation leads to insufficient permissions or privileges. This vulnerability is uniquely identified as CVE-2022-4863. Local access is required to approach this attack. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in usememos memos up to 0.9.0 and classified as critical. This issue affects an unknown code. The manipulation with an unknown input leads to a insufficient permissions or privileges vulnerability. Using CWE to declare the problem leads to CWE-280. The product does not handle or incorrectly handles when it has insufficient privileges to access resources or functionality as specified by their permissions. This may cause it to follow unexpected code paths that may leave the product in an invalid state. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Improper Handling of Insufficient Permissions or Privileges in GitHub repository usememos/memos prior to 0.9.1.

The weakness was disclosed 12/30/2022. It is possible to read the advisory at huntr.dev. The identification of this vulnerability is CVE-2022-4863 since 12/30/2022. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1222 according to MITRE ATT&CK.

Upgrading to version 0.9.1 eliminates this vulnerability. Applying the patch 3556ae4e651d9443dc3bb8a170dd3cc726517a53 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

usememos

Name

memos

Version

License

open-source

Website

Product: https://github.com/usememos/memos/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.1

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.4
CNA Vector (huntr.dev): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Insufficient permissions or privileges
CWE: CWE-280 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: memos 0.9.1
Patch: 3556ae4e651d9443dc3bb8a170dd3cc726517a53

Timelineinfo

12/30/2022 🔍
12/30/2022 +0 days 🔍
12/30/2022 +0 days 🔍
01/26/2023 +27 days 🔍

Sourcesinfo

Product: github.com

Advisory: 3556ae4e651d9443dc3bb8a170dd3cc726517a53
Status: Confirmed

CVE: CVE-2022-4863 (🔍)
GCVE (CVE): GCVE-0-2022-4863
GCVE (VulDB): GCVE-100-217067

Entryinfo

Created: 12/30/2022 18:55
Updated: 01/26/2023 10:02
Changes: 12/30/2022 18:55 (50), 01/26/2023 10:02 (1)
Complete: 🔍
Cache ID: 216::103